Toning or unstable shoes do not exactly have much of good track record due to the exaggerated health claims that got made for the product and the multi-million dollar settlements that some of the manufacturers had to enter into. This was based on the lack of evidence for those health claims. That does not mean that these types of shoes are not useful and have some benefits
Originally posted here:
Use of Toning or Unstable Shoes to Aid Post Marathon Recovery
